Fix Notice: Undefined property: KunenaViewTopic::$replycount in topic history
Merge pull request #2553 from mahagr/master

Fix Notice: Undefined property: KunenaViewTopic::$replycount in topic history
Merge pull request #2551 from xillibit/k30_bugs4

Missing text type on inputs added for poll in javascript
Anouncements list : colums separator for actions aren't displayed
Merge pull request #2552 from xillibit/k30_bugs8

Anouncements list : colums separator for actions aren't displayed
Fix Notice: Undefined property: KunenaAdminModelX::$context
Merge pull request #2555 from mahagr/master

Fix Notice: Undefined property: KunenaAdminModelX::$context
Update readme and pre-requiements check